Tamara Palmer

Radio Slave, otherwise known as Matt Edwards, toils among the techno proletarians of Berlin. He runs the Rekids label and makes hallucination-evoking, bass-burrowing dance-floor tunes that would never get played on the radio here. One prime example, "My Bleep," clocks in at nearly six and a half minutes of machinist...

An attractive blonde with cojones, comedian Chelsea Handler can be an acquired taste. As the host of Chelsea Lately for the past three years, she often comes off as insufferably annoying. But her undeniable wit, as she consistently embarrasses top rappers and shames touted actors into giving up interview gold,...

It takes a versatile artist to write a number one country hit (1980's "Starting over Again," for Dolly Parton), simulate an orgasm on a 17-minute disco record (1976's "Love to Love You Baby"), and win a Grammy for an inspirational performance (1983's "He's a Rebel"). Donna Summer has done all...

New Jersey's Harry "Choo-Choo" Romero has a locomotive moniker, but the house DJ and producer isn't known for train-wrecking records. Instead, he has somehow remained relevant in a fickle scene since the mid-1990s. Subliminal Records, the label he founded with Erick Morillo and Jose Nuñez, is one of the lone...

Ultra remains all about dance music, but as the festival has expanded, so has its definition of the genre. As always, some of the biggest names on the bill are the best club spinners in the world. But this year's edition will showcase a number of acts that cross genres...